REGIONAL ANATOMY OF THE ABDOMEN Regions Lines Projection

REGIONAL ANATOMY OF THE ABDOMEN • Regions • Lines • Projection of organs

LINEA XIPHISTERNALIS

LINEA SUBCOSTALIS

LINEA BISPINALIS

EPIGASTRIUM

MESOGASTRIUM

HYPOGASTRIUM

REGIO EPIGASTRICA

REGIO HYPOCHONDRIACA DEXTRA ET SINISTRA

REGIO UMBILICALIS

REGIO LATERALIS DEXTRA ET SINISTRA

REGIO PUBICA

REGIO INGUINALIS DEXTRA ET SINISTRA

LINEA TRANSPYLORICA

LINEA BICRISTALIS

Mc. Burney's point Lanz’s point 4

URETER 1. pars abdominalis 2. pars pelvina 3. pars intramuralis ostium ureteris LANZ

Labbe’s triangle

ABDOMINAL WALL

PANNICULUS ADIPOSUS VV. SUBCUTANEAE ABD. V. THORACOEPIGASTRICA V. EPIGASTRICA SPF. V. CIRCUMFLEXA ILIUM SPF. VV. PARAUMBILICALES

PORTAL-CAVAL / PORTAL-SYSTEMIC ANASTOMOSES 1. Vv. gastricae – vv. oesophageae 2. Vv. paraumbilicales (caput Medusae, Burrow’s veins) 3. Plexus rectalis - hemorrhoids 4. Retzius’ veins 5. Vv. hepaticae – vv. phrenicae

A. EPIGASTRICA SPF. A. CIRCUMFLEXA ILIUM SPF. AA. INTERCOSTALES A. SUBCOSTALIS AA. LUMBALES A. EPIGASTRICA SUP.

NN. INTERCOSTALES N. SUBCOSTALIS N. ILIOHYPOGASTRICUS N. ILIOINGUINALIS

NODI LYMPHATICI AXILLARES NODI LYMPHATICI INGUINALES SPF.

A. EPIGASTRICA SUP. A. EPIGASTRICA INF. A. CIRCUMFLEXA ILIUM PROF. AA. INTERCOSTALES A. SUBCOSTALIS AA. LUMBALES

CANALIS INGUINALIS

CANALIS INGUINALIS Posterior wall: Fascia transversalis - falx inguinalis - trigonum inguinale (Hesselbachi) - lig. interfoveolare - anulus inguinalis prof.